/*
 * Copyright (C) 2019 Zilliqa
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef ZILLIQA_SRC_LIBNETWORK_EXECUTABLE_H_
#define ZILLIQA_SRC_LIBNETWORK_EXECUTABLE_H_

#include "common/BaseType.h"

struct Peer;

namespace zil::p2p {
class P2PServerConnection;
}

/// Specifies the interface required for classes that process messages.
class Executable {
 public:
  /// Message processing function.
  virtual bool Execute(
      const zbytes& message, unsigned int offset, const Peer& from,
      const unsigned char& startByte,
      std::shared_ptr<zil::p2p::P2PServerConnection> = nullptr) = 0;

  /// Virtual destructor.
  virtual ~Executable() = default;
};

#endif  // ZILLIQA_SRC_LIBNETWORK_EXECUTABLE_H_
